#include<iostream>
#include<vector>
#include<unordered_map>
using namespace std;
int main()
{
    //int arr[]={1,2,3,4,5};
    vector<int>a={1,2,3,4,5};
    for(auto e:a)
    {
        cout<<e<<" "<<endl;
    }
    cout<<"hello c++"<<endl;
    cout<<"hello c++"<<endl;
    cout<<"hello c++"<<endl;
    cout<<"hello c++"<<endl;
    cout<<"hello c++"<<endl;
    cout<<"hello c++"<<endl;
    return 0;
}